All Questions
4
questions
0
votes
2
answers
66
views
Is refraction a special case of diffraction according to the book by Charles Kittel?
Wikipedia defines diffraction as -
Diffraction is the interference or bending of waves around the corners of an obstacle or through an aperture into the region of geometrical shadow of the obstacle/...
1
vote
1
answer
230
views
Double slit experiment in water: A simple demonstration of refractive wavelength?
The speed and wavelength of light both reduce in media with high refractive index.
However, it is perhaps not intuitively clear how frequency and wavelength behave in refractive media.
A very simple ...
9
votes
4
answers
3k
views
How does the Huygens–Fresnel principle apply to diffraction?
I'm currently trying to understand the mechanics behind diffraction and gain a better understanding of the Huygens–Fresnel principle, but I've reached a hurdle that is making me question my ...
0
votes
1
answer
26
views
Making a lense using an array?
Would it be possible to build a lense out of array elements with a higher refractive index inter spaced with void elements eg a matrix of glass with air.
I imagine that the spacing would have to be ...